UV Index in Najasa, Cuba

Last updated: August 1, 2025

In Najasa, Cuba, staying aware of the UV Index is crucial for safeguarding your skin and overall health. Understanding the daily UV levels can help prevent sunburn and long-term skin damage, enabling you to enjoy the beautiful tropical climate while minimizing risks. With typical UV exposure peaking at a striking 11 around midday, Najasa's Aw climate presents significant sun exposure challenges. Knowing when to seek shade or apply sunscreen is essential for a healthy, fun outdoor experience in this vibrant sun-kissed locale.

Hourly UV Index in Najasa

The UV Index throughout the day showcases a dramatic rise in intensity, peaking at a staggering 13 around 1 PM. Starting off gently, the day begins with low readings of 1 at 7 AM and 8 AM, which quickly escalates as the sun climbs higher in the sky. By 10 AM, the index reaches 6, but it’s the hours between 11 AM and 1 PM that demand attention, with readings of 9, 11, and peaking at 13. After this zenith, a gradual decline is observed, dropping to 10 by 3 PM and resting at 2 by 6 PM. As the sun sets, the UV Index returns to its morning levels, signaling a day well spent under the sun—but with caution! Always remember to protect your skin during those high UV hours!

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
Time	UVI	Category	Time to Burn
07:00	1	low	45 min
08:00	1	low	45 min
09:00	3	moderate	30 min
10:00	6	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	12	extreme	10 min
15:00	9	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	1	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Najasa

The UV Index experiences significant seasonal variation, peaking during the months of March to August with consistently extreme levels (Index 12-13) and a rapid burn time of just 10 minutes. This makes February through October the high-risk months for UV exposure, especially as spring leads into summer. Visitors and residents are strongly advised to take protective measures during these months, including wearing sunscreen, protective clothing, and hats, and seeking shade during peak sunlight hours. In contrast, January and November see reduced risk with a very high exposure category (Index 8) and a longer burn time of 15 minutes, while December offers a high exposure level (Index 7) with a burn time of 25 minutes. It is crucial to remain vigilant year-round, but particularly during the warmer months, to minimize the risk of UV-related health issues.

Monthly Maximum UV Index for Najasa, Cuba

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Najasa. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Najasa, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Najasa UV Index with Other Cuba Cities

The table above highlights how UV exposure in Najasa compares to other major locations across Cuba. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Najasa's solar exposure compared to other cities in Cuba. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Havana UVI	7	10	11	12	12	13	12	12	12	10	8	7
Camaguey UVI	8	10	12	13	13	13	12	12	12	11	9	7
Najasa	8	11	12	13	13	13	12	13	12	11	8	7
Holguin UVI	8	11	12	13	13	13	13	13	12	11	8	7
Santiago de Cuba UVI	9	11	12	13	13	13	13	13	13	11	9	8
Guantanamo UVI	9	11	12	13	13	13	13	13	13	11	9	8